stoat
Pronunciation: /stəʊt/
noun
- a small carnivorous mammal of the weasel family which has chestnut fur with white underparts and a black-tipped tail. It is native to both Eurasia and North America and in northern areas the coat turns white in winter. Compare with ermine, weasel.
- Mustela erminea, family Mustelidae. North American name: short-tailed weasel

Origin:
late Middle English: of unknown origin